Examination transfer bag based on UWB communication technology
By designing an examination transfer bag based on UWB communication technology, the problem of lack of monitoring during the test paper transportation is solved, real-time monitoring and remote unlocking of the test paper circulation process is realized, the risks of loss, damage, and leaks are reduced, and a variety of convenient functions are available.
Patent Information
- Application Number
- CN202420955245.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing test paper bags lack effective monitoring during transportation, and there are risks of loss, damage, and leakage.
A test transfer bag based on UWB communication technology is designed, including an outer bag, an inner bag, an installation box, a lithium battery, a main control module, an electromagnetic lock, an alarm device and a UWB module. Through the UWB module, real-time communication with the monitoring center is realized to realize the monitoring and remote unlocking function of the test paper flow process.
Real-time monitoring of the test paper circulation process is realized, reducing the risks of loss, damage, and leakage of test papers, and has convenient functions such as switch locks, bag opening alarms, tightening inner bags, waterproof and moisture-proof.
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of examination paper transportation, and particularly relates to an examination circulation bag based on UWB communication technology. Background Art
[0002] The examination papers for important examinations such as the college entrance examination and the national examination are all printed by the printing factory, put into the examination circulation bag, and then put into the examination circulation box according to the subject, location, examination time, etc. The printing factory transports them to the examination organizer, and the examination organizer distributes them to the confidentiality room of each examination site. Before the examination, the examination circulation bag is taken out of the confidentiality room and transported to each examination room together with the examination papers in the bag. The entire examination paper transportation process must ensure accuracy, timeliness, and no leakage of secrets to ensure the fairness and justice of the examination.
[0003] Ultra Wide Band (UWB) technology is a wireless carrier communication technology that does not use a sinusoidal carrier but instead uses nanosecond non-sinusoidal narrow pulses to transmit data. Therefore, it occupies a wide spectrum range and can achieve high-speed data transmission. UWB technology has the advantages of low system complexity, low power spectrum density of transmitted signals, insensitivity to channel fading, low interception capability, and high positioning accuracy. It is especially suitable for high-speed wireless access in dense multipath places such as indoors.
[0004] The existing method of keeping test paper bags confidential is generally to seal them with a seal and stamp them with a seal. Before the exam, the invigilator will open the seal in public and take out the test paper. However, there is a lack of effective monitoring during the circulation of the test papers, and there are risks of loss, damage, and leakage. Utility Model Content
[0005] The utility model aims to provide an examination circulation bag based on UWB communication technology, so as to monitor the circulation process of examination papers and reduce the risks of examination paper loss, damage, leakage, etc.
[0006] To achieve the above purpose, the utility model provides an examination circulation bag based on UWB communication technology, including an outer bag, an inner bag, an installation box, a lithium battery, a main control module, an electromagnetic lock, an alarm device and a UWB module;
[0007] The installation box is arranged at the bottom of the outer bag, the lithium battery, the main control module and the UWB module are respectively arranged in the installation box, the electromagnetic lock is provided at the opening of the outer bag, one side of the electromagnetic lock is connected to the front inner wall of the outer bag, and the other side of the electromagnetic lock is connected to the rear inner wall of the outer bag, the alarm device is arranged below the electromagnetic lock, one side of the alarm device is elastically and telescopically connected to the front inner wall of the outer bag, and the lithium battery, the electromagnetic lock, the alarm device and the UWB module are respectively electrically connected to the main control module.
[0008] Preferably, in the above technical solution, the electromagnetic lock includes a lock core component and a lock latch component that are compatible with each other, the lock core component is arranged on the rear inner wall of the outer bag opening, and the lock latch component is arranged on the front inner wall of the outer bag opening, and the lock core component is electrically connected to the main control module.
[0009] Preferably, in the above technical solution, the lock core component includes an outer shell, an electromagnet, a first lock tongue and a second lock tongue, the outer shell is arranged on the rear inner wall of the outer bag opening, the electromagnet is arranged in the outer shell, the first lock tongue and the second lock tongue are respectively arranged at both ends of the electromagnet, the extension and retraction directions of the first lock tongue and the second lock tongue are opposite, the outer shell is provided with a lock hole adapted to the locking component, and the electromagnet is electrically connected to the main control module.
[0010] Preferably, in the above technical solution, the alarm device includes a relay switch, a push button switch, an abutment member and an alarm, the push button switch is arranged below the lock core member, the abutment member is arranged below the lock member and protrudes from the surface of the lock member, the button of the push button switch is elastically and telescopically connected to the abutment member, the alarm is arranged below the push button switch, and the relay switch, the push button switch and the alarm are electrically connected in sequence.
[0011] Preferably, the above technical solution also includes elastic cloth, which is respectively arranged on the left and right sides of the inner bag, and the left and right sides of the outer bag are respectively provided with foldable folding edges, one end of the elastic cloth is connected to the side edge of the inner bag, and the other end of the elastic cloth is connected to the folding edge of the outer bag, when the lock core component and the lock buckle component are closed, the folding edge abuts against the side surface of the lock core component, and the bottom of the inner bag is connected to the top of the installation box.
[0012] Preferably, in the above technical solution, the inner bag includes a sealing strip, a sealing groove and a soft magnetic strip, the sealing strip is arranged on the front inner wall of the inner bag opening, the sealing groove is arranged on the rear inner wall of the inner bag opening, and a group of soft magnetic strips are respectively provided on the upper and lower edges of the sealing strip and the sealing groove, and a magnetic attraction structure is formed between the two groups of soft magnetic strips on the front and rear inner walls.
[0013] Preferably, the above technical solution also includes an edge cover, a sub-buckle and a female buckle, the lower edge of the edge cover is connected to the rear edge of the opening of the outer bag, the inner surface of the edge cover is symmetrically provided with two groups of the sub-buckles, the front surface of the outer bag is provided with two groups of the female buckles, and the female buckles and the sub-buckles are buckled together.
[0014] Preferably, the above technical solution further comprises a label box and a handle, wherein the label box is arranged on the front surface of the outer bag below the female buckle, and the handle is arranged on the outer surface of the edge sealing cover.
[0015] Preferably, in the above technical solution, the outer bottom surface of the outer bag is provided with a plurality of rubber pads.
[0016] Preferably, the above technical solution further includes a wireless charger, which is arranged in the installation box and is electrically connected to the lithium battery.
[0017] Compared with the existing technology, the utility model has the following beneficial effects:
[0018] 1. The utility model provides an examination circulation bag based on UWB communication technology, including an outer bag, an inner bag, an installation box, a lithium battery, a main control module, an electromagnetic lock, an alarm device and a UWB module. The installation box is arranged at the bottom of the outer bag, and the lithium battery, the main control module and the UWB module are respectively arranged in the installation box. An electromagnetic lock is arranged at the opening of the outer bag, one side of the electromagnetic lock is connected to the front inner wall of the outer bag, and the other side of the electromagnetic lock is connected to the rear inner wall of the outer bag. The examination circulation bag communicates with the monitoring center in real time through the UWB module, realizing the remote unlocking function of the electromagnetic lock under the unified control of the monitoring center; the alarm device is arranged under the electromagnetic lock, and one side of the alarm device is elastically and telescopically connected to the front inner wall of the outer bag, and has a non-remote unlocking and bag opening alarm function; the UWB module can provide centimeter-level precise positioning function of indoor scenes, realize effective monitoring in the process of examination paper circulation, and reduce the risks of examination paper loss, damage, and leakage.
[0019] 2. The electromagnetic lock in the utility model includes a lock core component and a lock buckle component that are compatible with each other. The lock core component includes a shell, an electromagnet, a first lock tongue and a second lock tongue. The first lock tongue and the second lock tongue are respectively arranged at both ends of the electromagnet, and the extension and retraction directions of the first lock tongue and the second lock tongue are opposite. It has a more secure locking structure and realizes a convenient switch lock function.
[0020] 3. The two sides of the inner bag in the utility model are connected to the folded edges of the outer bag by elastic cloth. When the lock core and the lock buckle are closed, the folded edges abut against the sides of the lock core, and the two sides of the inner bag are pulled by the elastic cloth, thereby tightening the inner bag and keeping the test papers in the inner bag neat. By arranging the inner bag sealing strip, sealing groove and soft magnetic strip, the inner bag is waterproof and moisture-proof. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a connection diagram of the examination circulation bag based on UWB communication technology in the utility model.
[0022] Figure 2 This is a first structural schematic diagram of the examination circulation bag based on UWB communication technology of the utility model.
[0023] Figure 3 This is a second structural schematic diagram of the examination circulation bag based on UWB communication technology of the utility model.
[0024] Figure 4 This is a third structural schematic diagram of the examination circulation bag based on UWB communication technology of the utility model.
[0025] Figure 5 This is the fourth structural schematic diagram of the examination circulation bag based on UWB communication technology of the utility model.
[0026] Figure 6 For this utility model Figure 1 A partial enlarged view of middle A.
[0027] Figure 7 For this utility model Figure 2 Cross-sectional view of the middle lock core along the BB direction.
[0028] Among them, 1-outer bag, 11-folding edge, 12-edge sealing cover, 13-sub-buckle, 14-female buckle, 15-label box, 16-handle, 17-rubber pad, 2-inner bag, 21-sealing strip, 22-sealing groove, 23-soft magnetic strip, 3-installation box, 4-lithium battery, 5-main control module, 6-electromagnetic lock, 61-lock core, 611-housing, 612-electromagnet, 613-first lock tongue, 614-second lock tongue, 615-lock hole, 62-lock fastener, 7-alarm device, 71-relay switch, 72-button switch, 73-abutment member, 74-alarm, 8-UWB module, 9-elastic fabric. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "thick", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0031] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If the terms "first", "second", "third" are described, they are only used for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is a description of the embodiments of the present invention based on its overall structure.
[0033] like Figure 1 , Figure 2 As shown, the examination circulation bag based on UWB communication technology in this embodiment includes an outer bag 1, an inner bag 2, an installation box, a lithium battery 4, a main control module 5, an electromagnetic lock 6, an alarm device 7 and a UWB module 8. The lithium battery 4, the electromagnetic lock 6, the alarm device 7 and the UWB module 8 are electrically connected to the main control module 5 respectively.
[0034] Specifically, the lithium battery 4, the main control module 5 and the UWB module 8 are respectively arranged in the installation box. The lithium battery 4 also includes a wireless charger with a wireless charging function. The preferred model of the UWB module 8 is UWB3000F27. The communication transmission distance can reach 1.5 kilometers, and it supports TDOA system ranging. The positioning accuracy can reach 10cm~15cm. It also has the advantages of low power consumption, strong penetration, and very high safety. During transportation, the UWB module 8 transmits the positioning information to the monitoring center in real time. By presetting the virtual electronic fence boundary of the examination circulation bag, it is convenient to correct the situation of not walking according to the set route in time. It is worth noting that the main control module 5 can also record the time and number of times of opening and closing the lock and upload it to the monitoring center through the UWB module 8, which is convenient for subsequent problem tracing.
[0035] Continue to refer Figure 3 , Figure 4In this embodiment, the installation box 3 is arranged at the bottom of the outer bag 1, and an electromagnetic lock 6 is arranged at the opening of the outer bag 1. One side of the electromagnetic lock 6 is connected to the front inner wall of the outer bag 1, and the other side of the electromagnetic lock 6 is connected to the rear inner wall of the outer bag 1. Specifically, the electromagnetic lock 6 includes a lock core 61 and a lock catch 62 that are adapted to each other. The lock core 61 is arranged on the rear inner wall of the opening of the outer bag 1, and the lock catch 62 is arranged on the front inner wall of the opening of the outer bag 1.
[0036] Continue to refer Figure 7 The lock core component 61 includes a shell 611, an electromagnet 612, a first lock tongue 613 and a second lock tongue 614. The shell 611 is arranged on the inner wall of the rear side of the opening of the outer bag 1, and the electromagnet 612 is arranged in the shell 611. The first lock tongue 613 and the second lock tongue 614 are respectively arranged at both ends of the electromagnet 612. The expansion and contraction directions of the first lock tongue 613 and the second lock tongue 614 are opposite. The shell 611 is provided with a lock hole 615 adapted to the lock component 62, which can make the locking structure more secure, and the first lock tongue 613 and the second lock tongue 614 are both provided with inclined surfaces. The lock component 62 is aligned with the lock hole 615 and pressed hard to quickly lock the outer bag. The electromagnet 611 is electrically connected to the main control module 5. It is worth noting that when the monitoring center issues a remote unlocking command, the main control module 5 controls the electromagnet 611 to be energized and the first lock tongue 613 and the second lock tongue 614 slide toward the electromagnet 611, the springs of the first lock tongue 613 and the second lock tongue 614 are in a compressed state, the lock core component 61 and the lock component 62 are separated, and the unlocking action is completed; when the electromagnet 611 is powered off, the first lock tongue 613 and the second lock tongue 614 return to their initial positions.
[0037] The alarm device 7 in this embodiment is arranged below the electromagnetic lock 6, and one side of the alarm device 7 is elastically and telescopically connected to the front inner wall of the outer bag 1. Specifically, the alarm device 7 includes a relay switch 71, a button switch 72, an abutment 73 and an alarm 74. The button switch 72 is arranged below the lock core 61, the abutment 73 is arranged below the lock catch 62 and protrudes from the surface of the lock catch 62, the button of the button switch 72 is elastically and telescopically connected to the abutment 73, and the alarm 74 is arranged below the button switch 72; the button switch 72 is preferably a break button switch, when the lock core 61 and the lock catch 62 are closed, the contact of the button switch 72 is in an open state, the relay switch 71 is set to a closed state, the relay switch 71, the button switch 72 and the alarm 74 are electrically connected in sequence, and the main control module 5 can control the on-off state of the relay switch 71. It is worth mentioning that when receiving the remote unlocking command from the monitoring center, the main control module 5 controls the electromagnetic lock 6 to open, and at the same time controls the relay switch 71 to disconnect, the button switch 72 to separate from the abutment 73, the contact of the button switch 72 is in the on state, and the circuit of the alarm device 7 is disconnected; when the bag is opened by non-remote unlocking, the button switch 72 to separate from the abutment 73, the contact of the button switch 72 is in the on state, the circuit of the alarm device 7 is connected, and the alarm 74 can sound an alarm.
[0038] Continue to refer Figure 4 The elastic cloth 9 is respectively arranged on the left and right sides of the inner bag 2, and the left and right sides of the outer bag 1 are respectively provided with foldable folding edges 11, one end of the elastic cloth 9 is connected to the side of the inner bag 2, and the other end of the elastic cloth 9 is connected to the folding edge 11 of the outer bag 1. When the lock core component 61 and the lock buckle component 62 are closed, the folding edge 11 abuts against the side of the lock core component 61, and the bottom of the inner bag 2 is connected to the top of the installation box 3, which realizes the function of tightening the inner bag 2 and can keep the test papers in the inner bag 2 neat.
[0039] Continue to refer Figure 5 , Figure 6The inner bag 2 includes a sealing strip 21, a sealing groove 22 and a soft magnetic strip 23. The sealing strip 21 is arranged on the front inner wall of the opening of the inner bag 2, and the sealing groove 22 is arranged on the rear inner wall of the opening of the inner bag 2. The upper and lower edges of the sealing strip 21 and the sealing groove 22 are respectively provided with a group of soft magnetic strips 23, and the two groups of soft magnetic strips 23 on the front and rear inner walls form a magnetic attraction structure, thereby realizing the waterproof and moisture-proof function of the inner bag; the outer bag 1 also includes an edge sealing cover 12, a sub-button 13 and a female button 14. The lower edge of the edge sealing cover 12 Connected to the rear edge of the opening of the outer bag 1, the inner surface of the edge sealing cover 12 is symmetrically provided with two groups of sub-buckles 13, and the front surface of the outer bag 1 is symmetrically provided with two groups of female buckles 14, and the female buckles 14 and the sub-buckles 13 are buckled together to close the opening of the outer bag 1; the outer bag 1 is also provided with a label box 15 and a handle 16, the label box is arranged on the front surface of the outer bag 1 below the female buckle 14, the handle 16 is arranged on the outer surface of the edge sealing cover, and the outer bottom surface of the outer bag 1 is provided with five rubber pads 17.
[0040] Thus, the functions of the examination service circulation bag based on UWB communication technology in this embodiment are as follows:
[0041] (1) Convenient switch lock function
[0042] By arranging a lock core component and a lock buckle component on the inner wall of the outer bag, and the lock core component is provided with a first lock tongue and a second lock tongue with opposite telescopic directions, a more secure locking structure is provided, and a convenient opening and closing lock function is realized.
[0043] (2) Bag opening alarm function
[0044] By setting a relay switch, a button switch, abutment block and an alarm, when the monitoring center does not issue a remote unlocking command, when the button switches on the front and rear sides of the outer bag are separated from the abutment blocks, the alarm device circuit is turned on, thereby realizing the non-remote unlocking and bag opening alarm function.
[0045] (3) Tightening inner bag function
[0046] By providing a folded edge, elastic cloth, etc., when the lock core component and the lock buckle component are closed, the folded edge abuts against the side surface of the lock core component, and the two sides of the inner bag are pulled by the elastic cloth, thereby achieving the effect of tightening the inner bag.
[0047] (4) Waterproof and moisture-proof function
[0048] By arranging a sealing strip, a sealing groove and a soft magnetic strip at the opening of the inner bag, the inner bag is waterproof and moisture-proof.
[0049] (5) Remote unlocking function
[0050] By setting up electromagnetic locks, main control modules, UWB modules, etc., real-time communication and remote unlocking functions are realized between the monitoring center and the examination circulation bags.
[0051] (6) Accurate positioning function
[0052] By setting up the main control module, UWB module, etc., the monitoring center can obtain the positioning information and movement trajectory of the examination circulation bags during transportation in real time, realizing the precise positioning function within the range of 10cm to 15cm.
[0053] In summary, the examination circulation bag based on UWB communication technology in this embodiment has the functions of convenient lock opening and closing, bag opening alarm, inner bag tightening, waterproof and moisture-proof, etc. At the same time, it also realizes remote unlocking and precise positioning functions.
[0054] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.
Claims
1. An examination service circulation bag based on UWB communication technology, characterized in that: Including outer bag, inner bag, installation box, lithium battery, main control module, electromagnetic lock, alarm device and UWB module; The installation box is arranged at the bottom of the outer bag, the lithium battery, the main control module and the UWB module are respectively arranged in the installation box, the electromagnetic lock is provided at the opening of the outer bag, one side of the electromagnetic lock is connected to the front inner wall of the outer bag, and the other side of the electromagnetic lock is connected to the rear inner wall of the outer bag, the alarm device is arranged below the electromagnetic lock, one side of the alarm device is elastically and telescopically connected to the front inner wall of the outer bag, and the lithium battery, the electromagnetic lock, the alarm device and the UWB module are respectively electrically connected to the main control module.
2. According to the examination service circulation bag based on UWB communication technology in claim 1, it is characterized in that: The electromagnetic lock includes a lock core component and a lock catch component that are compatible with each other. The lock core component is arranged on the rear inner wall of the outer bag opening, and the lock catch component is arranged on the front inner wall of the outer bag opening. The lock core component is electrically connected to the main control module.
3. According to claim 2, the examination service circulation bag based on UWB communication technology is characterized in that: The lock core component includes a shell, an electromagnet, a first lock tongue and a second lock tongue. The shell is arranged on the inner wall of the rear side of the opening of the outer bag. The electromagnet is arranged in the shell. The first lock tongue and the second lock tongue are respectively arranged at both ends of the electromagnet. The extension and retraction directions of the first lock tongue and the second lock tongue are opposite. A lock hole adapted to the lock component is provided on the shell. The electromagnet is electrically connected to the main control module.
4. According to claim 2, the examination service circulation bag based on UWB communication technology is characterized in that: The alarm device includes a relay switch, a push button switch, an abutment member and an alarm. The push button switch is arranged below the lock core member, the abutment member is arranged below the lock member and protrudes from the surface of the lock member, the button of the push button switch is elastically and telescopically connected to the abutment member, the alarm is arranged below the push button switch, and the relay switch, the push button switch and the alarm are electrically connected in sequence.
5. According to claim 2, the examination service circulation bag based on UWB communication technology is characterized in that: It also includes elastic cloth, which is respectively arranged on the left and right sides of the inner bag, and the left and right sides of the outer bag are respectively provided with foldable folding edges, one end of the elastic cloth is connected to the side edge of the inner bag, and the other end of the elastic cloth is connected to the folding edge of the outer bag, when the lock core component and the lock buckle component are closed, the folding edge abuts against the side surface of the lock core component, and the bottom of the inner bag is connected to the top of the installation box.
6. According to claim 5, the examination service circulation bag based on UWB communication technology is characterized in that: The inner bag includes a sealing strip, a sealing groove and a soft magnetic strip. The sealing strip is arranged on the front inner wall of the inner bag opening, and the sealing groove is arranged on the rear inner wall of the inner bag opening. A group of soft magnetic strips are respectively arranged on the upper and lower edges of the sealing strip and the sealing groove, and a magnetic attraction structure is formed between the two groups of soft magnetic strips on the front and rear inner walls.
7. According to claim 1, the examination service circulation bag based on UWB communication technology is characterized in that: It also includes an edge cover, a sub-buckle and a female buckle. The lower edge of the edge cover is connected to the rear edge of the outer bag opening. The inner surface of the edge cover is symmetrically provided with two groups of sub-buckles. The front surface of the outer bag is provided with two groups of female buckles, and the female buckles and the sub-buckles are buckled together.
8. According to claim 7, the examination service circulation bag based on UWB communication technology is characterized in that: It also includes a label box and a handle. The label box is arranged on the front surface of the outer bag below the female buckle, and the handle is arranged on the outer surface of the edge sealing cover.
9. According to claim 1, the examination service circulation bag based on UWB communication technology is characterized in that: The outer bottom surface of the outer bag is provided with a plurality of rubber pads.
10. The examination service circulation bag based on UWB communication technology according to claim 1 is characterized in that: It also includes a wireless charger, which is arranged in the installation box and is electrically connected to the lithium battery.